/*
 * aes.js: implements AES - Advanced Encryption Standard
 * from the SlowAES project, http://code.google.com/p/slowaes/
 *
 * Copyright (c) 2008 	Josh Davis ( http://www.josh-davis.org ),
 *						Mark Percival ( http://mpercival.com ),
 *
 * Ported from C code written by Laurent Haan ( http://www.progressive-coding.com )
 *
 * Licensed under the Apache License, Version 2.0
 * http://www.apache.org/licenses/
 */

var slowAES = {
  /*
   * START AES SECTION
   */
  aes:{
    // structure of valid key sizes
    keySize:{
      SIZE_128:16,
      SIZE_192:24,
      SIZE_256:32
    },

    // Rijndael S-box
    sbox:[
      0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76,
      0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0,
      0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc, 0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15,
      0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a, 0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75,
      0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0, 0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84,
      0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b, 0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf,
      0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85, 0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8,
      0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5, 0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2,
      0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17, 0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73,
      0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88, 0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb,
      0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c, 0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79,
      0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9, 0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08,
      0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6, 0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a,
      0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e, 0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e,
      0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94, 0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf,
      0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 ],

    // Rijndael Inverted S-box
    rsbox:
      [ 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb
        , 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb
        , 0x54, 0x7b, 0x94, 0x32, 0xa6, 0xc2, 0x23, 0x3d, 0xee, 0x4c, 0x95, 0x0b, 0x42, 0xfa, 0xc3, 0x4e
        , 0x08, 0x2e, 0xa1, 0x66, 0x28, 0xd9, 0x24, 0xb2, 0x76, 0x5b, 0xa2, 0x49, 0x6d, 0x8b, 0xd1, 0x25
        , 0x72, 0xf8, 0xf6, 0x64, 0x86, 0x68, 0x98, 0x16, 0xd4, 0xa4, 0x5c, 0xcc, 0x5d, 0x65, 0xb6, 0x92
        , 0x6c, 0x70, 0x48, 0x50, 0xfd, 0xed, 0xb9, 0xda, 0x5e, 0x15, 0x46, 0x57, 0xa7, 0x8d, 0x9d, 0x84
        , 0x90, 0xd8, 0xab, 0x00, 0x8c, 0xbc, 0xd3, 0x0a, 0xf7, 0xe4, 0x58, 0x05, 0xb8, 0xb3, 0x45, 0x06
        , 0xd0, 0x2c, 0x1e, 0x8f, 0xca, 0x3f, 0x0f, 0x02, 0xc1, 0xaf, 0xbd, 0x03, 0x01, 0x13, 0x8a, 0x6b
        , 0x3a, 0x91, 0x11, 0x41, 0x4f, 0x67, 0xdc, 0xea, 0x97, 0xf2, 0xcf, 0xce, 0xf0, 0xb4, 0xe6, 0x73
        , 0x96, 0xac, 0x74, 0x22, 0xe7, 0xad, 0x35, 0x85, 0xe2, 0xf9, 0x37, 0xe8, 0x1c, 0x75, 0xdf, 0x6e
        , 0x47, 0xf1, 0x1a, 0x71, 0x1d, 0x29, 0xc5, 0x89, 0x6f, 0xb7, 0x62, 0x0e, 0xaa, 0x18, 0xbe, 0x1b
        , 0xfc, 0x56, 0x3e, 0x4b, 0xc6, 0xd2, 0x79, 0x20, 0x9a, 0xdb, 0xc0, 0xfe, 0x78, 0xcd, 0x5a, 0xf4
        , 0x1f, 0xdd, 0xa8, 0x33, 0x88, 0x07, 0xc7, 0x31, 0xb1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xec, 0x5f
        , 0x60, 0x51, 0x7f, 0xa9, 0x19, 0xb5, 0x4a, 0x0d, 0x2d, 0xe5, 0x7a, 0x9f, 0x93, 0xc9, 0x9c, 0xef
        , 0xa0, 0xe0, 0x3b, 0x4d, 0xae, 0x2a, 0xf5, 0xb0, 0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
        , 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d ],

    /* rotate the word eight bits to the left */
    rotate:function(word)
    {
      var c = word[0];
      for (var i = 0; i < 3; i++)
        word[i] = word[i+1];
      word[3] = c;

      return word;
    },

    // Rijndael Rcon
    Rcon:[
      0x8d, 0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8,
      0xab, 0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3,
      0x7d, 0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f,
      0x25, 0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d,
      0x01, 0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab,
      0x4d, 0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d,
      0xfa, 0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25,
      0x4a, 0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01,
      0x02, 0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d,
      0x9a, 0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa,
      0xef, 0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a,
      0x94, 0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02,
      0x04, 0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a,
      0x2f, 0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef,
      0xc5, 0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94,
      0x33, 0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb, 0x8d, 0x01, 0x02, 0x04,
      0x08, 0x10, 0x20, 0x40, 0x80, 0x1b, 0x36, 0x6c, 0xd8, 0xab, 0x4d, 0x9a, 0x2f,
      0x5e, 0xbc, 0x63, 0xc6, 0x97, 0x35, 0x6a, 0xd4, 0xb3, 0x7d, 0xfa, 0xef, 0xc5,
      0x91, 0x39, 0x72, 0xe4, 0xd3, 0xbd, 0x61, 0xc2, 0x9f, 0x25, 0x4a, 0x94, 0x33,
      0x66, 0xcc, 0x83, 0x1d, 0x3a, 0x74, 0xe8, 0xcb ],

    G2X: [
      0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16,
      0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e,
      0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e, 0x40, 0x42, 0x44, 0x46,
      0x48, 0x4a, 0x4c, 0x4e, 0x50, 0x52, 0x54, 0x56, 0x58, 0x5a, 0x5c, 0x5e,
      0x60, 0x62, 0x64, 0x66, 0x68, 0x6a, 0x6c, 0x6e, 0x70, 0x72, 0x74, 0x76,
      0x78, 0x7a, 0x7c, 0x7e, 0x80, 0x82, 0x84, 0x86, 0x88, 0x8a, 0x8c, 0x8e,
      0x90, 0x92, 0x94, 0x96, 0x98, 0x9a, 0x9c, 0x9e, 0xa0, 0xa2, 0xa4, 0xa6,
      0xa8, 0xaa, 0xac, 0xae, 0xb0, 0xb2, 0xb4, 0xb6, 0xb8, 0xba, 0xbc, 0xbe,
      0xc0, 0xc2, 0xc4, 0xc6, 0xc8, 0xca, 0xcc, 0xce, 0xd0, 0xd2, 0xd4, 0xd6,
      0xd8, 0xda, 0xdc, 0xde, 0xe0, 0xe2, 0xe4, 0xe6, 0xe8, 0xea, 0xec, 0xee,
      0xf0, 0xf2, 0xf4, 0xf6, 0xf8, 0xfa, 0xfc, 0xfe, 0x1b, 0x19, 0x1f, 0x1d,
      0x13, 0x11, 0x17, 0x15, 0x0b, 0x09, 0x0f, 0x0d, 0x03, 0x01, 0x07, 0x05,
      0x3b, 0x39, 0x3f, 0x3d, 0x33, 0x31, 0x37, 0x35, 0x2b, 0x29, 0x2f, 0x2d,
      0x23, 0x21, 0x27, 0x25, 0x5b, 0x59, 0x5f, 0x5d, 0x53, 0x51, 0x57, 0x55,
      0x4b, 0x49, 0x4f, 0x4d, 0x43, 0x41, 0x47, 0x45, 0x7b, 0x79, 0x7f, 0x7d,
      0x73, 0x71, 0x77, 0x75, 0x6b, 0x69, 0x6f, 0x6d, 0x63, 0x61, 0x67, 0x65,
      0x9b, 0x99, 0x9f, 0x9d, 0x93, 0x91, 0x97, 0x95, 0x8b, 0x89, 0x8f, 0x8d,
      0x83, 0x81, 0x87, 0x85, 0xbb, 0xb9, 0xbf, 0xbd, 0xb3, 0xb1, 0xb7, 0xb5,
      0xab, 0xa9, 0xaf, 0xad, 0xa3, 0xa1, 0xa7, 0xa5, 0xdb, 0xd9, 0xdf, 0xdd,
      0xd3, 0xd1, 0xd7, 0xd5, 0xcb, 0xc9, 0xcf, 0xcd, 0xc3, 0xc1, 0xc7, 0xc5,
      0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed,
      0xe3, 0xe1, 0xe7, 0xe5
    ],

    G3X: [
      0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d,
      0x14, 0x17, 0x12, 0x11, 0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39,
      0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21, 0x60, 0x63, 0x66, 0x65,
      0x6c, 0x6f, 0x6a, 0x69, 0x78, 0x7b, 0x7e, 0x7d, 0x74, 0x77, 0x72, 0x71,
      0x50, 0x53, 0x56, 0x55, 0x5c, 0x5f, 0x5a, 0x59, 0x48, 0x4b, 0x4e, 0x4d,
      0x44, 0x47, 0x42, 0x41, 0xc0, 0xc3, 0xc6, 0xc5, 0xcc, 0xcf, 0xca, 0xc9,
      0xd8, 0xdb, 0xde, 0xdd, 0xd4, 0xd7, 0xd2, 0xd1, 0xf0, 0xf3, 0xf6, 0xf5,
      0xfc, 0xff, 0xfa, 0xf9, 0xe8, 0xeb, 0xee, 0xed, 0xe4, 0xe7, 0xe2, 0xe1,
      0xa0, 0xa3, 0xa6, 0xa5, 0xac, 0xaf, 0xaa, 0xa9, 0xb8, 0xbb, 0xbe, 0xbd,
      0xb4, 0xb7, 0xb2, 0xb1, 0x90, 0x93, 0x96, 0x95, 0x9c, 0x9f, 0x9a, 0x99,
      0x88, 0x8b, 0x8e, 0x8d, 0x84, 0x87, 0x82, 0x81, 0x9b, 0x98, 0x9d, 0x9e,
      0x97, 0x94, 0x91, 0x92, 0x83, 0x80, 0x85, 0x86, 0x8f, 0x8c, 0x89, 0x8a,
      0xab, 0xa8, 0xad, 0xae, 0xa7, 0xa4, 0xa1, 0xa2, 0xb3, 0xb0, 0xb5, 0xb6,
      0xbf, 0xbc, 0xb9, 0xba, 0xfb, 0xf8, 0xfd, 0xfe, 0xf7, 0xf4, 0xf1, 0xf2,
      0xe3, 0xe0, 0xe5, 0xe6, 0xef, 0xec, 0xe9, 0xea, 0xcb, 0xc8, 0xcd, 0xce,
      0xc7, 0xc4, 0xc1, 0xc2, 0xd3, 0xd0, 0xd5, 0xd6, 0xdf, 0xdc, 0xd9, 0xda,
      0x5b, 0x58, 0x5d, 0x5e, 0x57, 0x54, 0x51, 0x52, 0x43, 0x40, 0x45, 0x46,
      0x4f, 0x4c, 0x49, 0x4a, 0x6b, 0x68, 0x6d, 0x6e, 0x67, 0x64, 0x61, 0x62,
      0x73, 0x70, 0x75, 0x76, 0x7f, 0x7c, 0x79, 0x7a, 0x3b, 0x38, 0x3d, 0x3e,
      0x37, 0x34, 0x31, 0x32, 0x23, 0x20, 0x25, 0x26, 0x2f, 0x2c, 0x29, 0x2a,
      0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16,
      0x1f, 0x1c, 0x19, 0x1a
    ],

    G9X: [
      0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53,
      0x6c, 0x65, 0x7e, 0x77, 0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf,
      0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7, 0x3b, 0x32, 0x29, 0x20,
      0x1f, 0x16, 0x0d, 0x04, 0x73, 0x7a, 0x61, 0x68, 0x57, 0x5e, 0x45, 0x4c,
      0xab, 0xa2, 0xb9, 0xb0, 0x8f, 0x86, 0x9d, 0x94, 0xe3, 0xea, 0xf1, 0xf8,
      0xc7, 0xce, 0xd5, 0xdc, 0x76, 0x7f, 0x64, 0x6d, 0x52, 0x5b, 0x40, 0x49,
      0x3e, 0x37, 0x2c, 0x25, 0x1a, 0x13, 0x08, 0x01, 0xe6, 0xef, 0xf4, 0xfd,
      0xc2, 0xcb, 0xd0, 0xd9, 0xae, 0xa7, 0xbc, 0xb5, 0x8a, 0x83, 0x98, 0x91,
      0x4d, 0x44, 0x5f, 0x56, 0x69, 0x60, 0x7b, 0x72, 0x05, 0x0c, 0x17, 0x1e,
      0x21, 0x28, 0x33, 0x3a, 0xdd, 0xd4, 0xcf, 0xc6, 0xf9, 0xf0, 0xeb, 0xe2,
      0x95, 0x9c, 0x87, 0x8e, 0xb1, 0xb8, 0xa3, 0xaa, 0xec, 0xe5, 0xfe, 0xf7,
      0xc8, 0xc1, 0xda, 0xd3, 0xa4, 0xad, 0xb6, 0xbf, 0x80, 0x89, 0x92, 0x9b,
      0x7c, 0x75, 0x6e, 0x67, 0x58, 0x51, 0x4a, 0x43, 0x34, 0x3d, 0x26, 0x2f,
      0x10, 0x19, 0x02, 0x0b, 0xd7, 0xde, 0xc5, 0xcc, 0xf3, 0xfa, 0xe1, 0xe8,
      0x9f, 0x96, 0x8d, 0x84, 0xbb, 0xb2, 0xa9, 0xa0, 0x47, 0x4e, 0x55, 0x5c,
      0x63, 0x6a, 0x71, 0x78, 0x0f, 0x06, 0x1d, 0x14, 0x2b, 0x22, 0x39, 0x30,
      0x9a, 0x93, 0x88, 0x81, 0xbe, 0xb7, 0xac, 0xa5, 0xd2, 0xdb, 0xc0, 0xc9,
      0xf6, 0xff, 0xe4, 0xed, 0x0a, 0x03, 0x18, 0x11, 0x2e, 0x27, 0x3c, 0x35,
      0x42, 0x4b, 0x50, 0x59, 0x66, 0x6f, 0x74, 0x7d, 0xa1, 0xa8, 0xb3, 0xba,
      0x85, 0x8c, 0x97, 0x9e, 0xe9, 0xe0, 0xfb, 0xf2, 0xcd, 0xc4, 0xdf, 0xd6,
      0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62,
      0x5d, 0x54, 0x4f, 0x46
    ],

    GBX: [
      0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45,
      0x74, 0x7f, 0x62, 0x69, 0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81,
      0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9, 0x7b, 0x70, 0x6d, 0x66,
      0x57, 0x5c, 0x41, 0x4a, 0x23, 0x28, 0x35, 0x3e, 0x0f, 0x04, 0x19, 0x12,
      0xcb, 0xc0, 0xdd, 0xd6, 0xe7, 0xec, 0xf1, 0xfa, 0x93, 0x98, 0x85, 0x8e,
      0xbf, 0xb4, 0xa9, 0xa2, 0xf6, 0xfd, 0xe0, 0xeb, 0xda, 0xd1, 0xcc, 0xc7,
      0xae, 0xa5, 0xb8, 0xb3, 0x82, 0x89, 0x94, 0x9f, 0x46, 0x4d, 0x50, 0x5b,
      0x6a, 0x61, 0x7c, 0x77, 0x1e, 0x15, 0x08, 0x03, 0x32, 0x39, 0x24, 0x2f,
      0x8d, 0x86, 0x9b, 0x90, 0xa1, 0xaa, 0xb7, 0xbc, 0xd5, 0xde, 0xc3, 0xc8,
      0xf9, 0xf2, 0xef, 0xe4, 0x3d, 0x36, 0x2b, 0x20, 0x11, 0x1a, 0x07, 0x0c,
      0x65, 0x6e, 0x73, 0x78, 0x49, 0x42, 0x5f, 0x54, 0xf7, 0xfc, 0xe1, 0xea,
      0xdb, 0xd0, 0xcd, 0xc6, 0xaf, 0xa4, 0xb9, 0xb2, 0x83, 0x88, 0x95, 0x9e,
      0x47, 0x4c, 0x51, 0x5a, 0x6b, 0x60, 0x7d, 0x76, 0x1f, 0x14, 0x09, 0x02,
      0x33, 0x38, 0x25, 0x2e, 0x8c, 0x87, 0x9a, 0x91, 0xa0, 0xab, 0xb6, 0xbd,
      0xd4, 0xdf, 0xc2, 0xc9, 0xf8, 0xf3, 0xee, 0xe5, 0x3c, 0x37, 0x2a, 0x21,
      0x10, 0x1b, 0x06, 0x0d, 0x64, 0x6f, 0x72, 0x79, 0x48, 0x43, 0x5e, 0x55,
      0x01, 0x0a, 0x17, 0x1c, 0x2d, 0x26, 0x3b, 0x30, 0x59, 0x52, 0x4f, 0x44,
      0x75, 0x7e, 0x63, 0x68, 0xb1, 0xba, 0xa7, 0xac, 0x9d, 0x96, 0x8b, 0x80,
      0xe9, 0xe2, 0xff, 0xf4, 0xc5, 0xce, 0xd3, 0xd8, 0x7a, 0x71, 0x6c, 0x67,
      0x56, 0x5d, 0x40, 0x4b, 0x22, 0x29, 0x34, 0x3f, 0x0e, 0x05, 0x18, 0x13,
      0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f,
      0xbe, 0xb5, 0xa8, 0xa3
    ],

    GDX: [
      0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f,
      0x5c, 0x51, 0x46, 0x4b, 0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3,
      0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b, 0xbb, 0xb6, 0xa1, 0xac,
      0x8f, 0x82, 0x95, 0x98, 0xd3, 0xde, 0xc9, 0xc4, 0xe7, 0xea, 0xfd, 0xf0,
      0x6b, 0x66, 0x71, 0x7c, 0x5f, 0x52, 0x45, 0x48, 0x03, 0x0e, 0x19, 0x14,
      0x37, 0x3a, 0x2d, 0x20, 0x6d, 0x60, 0x77, 0x7a, 0x59, 0x54, 0x43, 0x4e,
      0x05, 0x08, 0x1f, 0x12, 0x31, 0x3c, 0x2b, 0x26, 0xbd, 0xb0, 0xa7, 0xaa,
      0x89, 0x84, 0x93, 0x9e, 0xd5, 0xd8, 0xcf, 0xc2, 0xe1, 0xec, 0xfb, 0xf6,
      0xd6, 0xdb, 0xcc, 0xc1, 0xe2, 0xef, 0xf8, 0xf5, 0xbe, 0xb3, 0xa4, 0xa9,
      0x8a, 0x87, 0x90, 0x9d, 0x06, 0x0b, 0x1c, 0x11, 0x32, 0x3f, 0x28, 0x25,
      0x6e, 0x63, 0x74, 0x79, 0x5a, 0x57, 0x40, 0x4d, 0xda, 0xd7, 0xc0, 0xcd,
      0xee, 0xe3, 0xf4, 0xf9, 0xb2, 0xbf, 0xa8, 0xa5, 0x86, 0x8b, 0x9c, 0x91,
      0x0a, 0x07, 0x10, 0x1d, 0x3e, 0x33, 0x24, 0x29, 0x62, 0x6f, 0x78, 0x75,
      0x56, 0x5b, 0x4c, 0x41, 0x61, 0x6c, 0x7b, 0x76, 0x55, 0x58, 0x4f, 0x42,
      0x09, 0x04, 0x13, 0x1e, 0x3d, 0x30, 0x27, 0x2a, 0xb1, 0xbc, 0xab, 0xa6,
      0x85, 0x88, 0x9f, 0x92, 0xd9, 0xd4, 0xc3, 0xce, 0xed, 0xe0, 0xf7, 0xfa,
      0xb7, 0xba, 0xad, 0xa0, 0x83, 0x8e, 0x99, 0x94, 0xdf, 0xd2, 0xc5, 0xc8,
      0xeb, 0xe6, 0xf1, 0xfc, 0x67, 0x6a, 0x7d, 0x70, 0x53, 0x5e, 0x49, 0x44,
      0x0f, 0x02, 0x15, 0x18, 0x3b, 0x36, 0x21, 0x2c, 0x0c, 0x01, 0x16, 0x1b,
      0x38, 0x35, 0x22, 0x2f, 0x64, 0x69, 0x7e, 0x73, 0x50, 0x5d, 0x4a, 0x47,
      0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3,
      0x80, 0x8d, 0x9a, 0x97
    ],

    GEX: [
      0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62,
      0x48, 0x46, 0x54, 0x5a, 0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca,
      0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba, 0xdb, 0xd5, 0xc7, 0xc9,
      0xe3, 0xed, 0xff, 0xf1, 0xab, 0xa5, 0xb7, 0xb9, 0x93, 0x9d, 0x8f, 0x81,
      0x3b, 0x35, 0x27, 0x29, 0x03, 0x0d, 0x1f, 0x11, 0x4b, 0x45, 0x57, 0x59,
      0x73, 0x7d, 0x6f, 0x61, 0xad, 0xa3, 0xb1, 0xbf, 0x95, 0x9b, 0x89, 0x87,
      0xdd, 0xd3, 0xc1, 0xcf, 0xe5, 0xeb, 0xf9, 0xf7, 0x4d, 0x43, 0x51, 0x5f,
      0x75, 0x7b, 0x69, 0x67, 0x3d, 0x33, 0x21, 0x2f, 0x05, 0x0b, 0x19, 0x17,
      0x76, 0x78, 0x6a, 0x64, 0x4e, 0x40, 0x52, 0x5c, 0x06, 0x08, 0x1a, 0x14,
      0x3e, 0x30, 0x22, 0x2c, 0x96, 0x98, 0x8a, 0x84, 0xae, 0xa0, 0xb2, 0xbc,
      0xe6, 0xe8, 0xfa, 0xf4, 0xde, 0xd0, 0xc2, 0xcc, 0x41, 0x4f, 0x5d, 0x53,
      0x79, 0x77, 0x65, 0x6b, 0x31, 0x3f, 0x2d, 0x23, 0x09, 0x07, 0x15, 0x1b,
      0xa1, 0xaf, 0xbd, 0xb3, 0x99, 0x97, 0x85, 0x8b, 0xd1, 0xdf, 0xcd, 0xc3,
      0xe9, 0xe7, 0xf5, 0xfb, 0x9a, 0x94, 0x86, 0x88, 0xa2, 0xac, 0xbe, 0xb0,
      0xea, 0xe4, 0xf6, 0xf8, 0xd2, 0xdc, 0xce, 0xc0, 0x7a, 0x74, 0x66, 0x68,
      0x42, 0x4c, 0x5e, 0x50, 0x0a, 0x04, 0x16, 0x18, 0x32, 0x3c, 0x2e, 0x20,
      0xec, 0xe2, 0xf0, 0xfe, 0xd4, 0xda, 0xc8, 0xc6, 0x9c, 0x92, 0x80, 0x8e,
      0xa4, 0xaa, 0xb8, 0xb6, 0x0c, 0x02, 0x10, 0x1e, 0x34, 0x3a, 0x28, 0x26,
      0x7c, 0x72, 0x60, 0x6e, 0x44, 0x4a, 0x58, 0x56, 0x37, 0x39, 0x2b, 0x25,
      0x0f, 0x01, 0x13, 0x1d, 0x47, 0x49, 0x5b, 0x55, 0x7f, 0x71, 0x63, 0x6d,
      0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5,
      0x9f, 0x91, 0x83, 0x8d
    ],

    // Key Schedule Core
    core:function(word,iteration)
    {
      /* rotate the 32-bit word 8 bits to the left */
      word = this.rotate(word);
      /* apply S-Box substitution on all 4 parts of the 32-bit word */
      for (var i = 0; i < 4; ++i)
        word[i] = this.sbox[word[i]];
      /* XOR the output of the rcon operation with i to the first part (leftmost) only */
      word[0] = word[0]^this.Rcon[iteration];
      return word;
    },

    /* Rijndael's key expansion
     * expands an 128,192,256 key into an 176,208,240 bytes key
     *
     * expandedKey is a pointer to an char array of large enough size
     * key is a pointer to a non-expanded key
     */
    expandKey:function(key,size)
    {
      var expandedKeySize = (16*(this.numberOfRounds(size)+1));

      /* current expanded keySize, in bytes */
      var currentSize = 0;
      var rconIteration = 1;
      var t = [];   // temporary 4-byte variable

      var expandedKey = [];
      for(var i = 0;i < expandedKeySize;i++)
        expandedKey[i] = 0;

      /* set the 16,24,32 bytes of the expanded key to the input key */
      for (var j = 0; j < size; j++)
        expandedKey[j] = key[j];
      currentSize += size;

      while (currentSize < expandedKeySize)
      {
        /* assign the previous 4 bytes to the temporary value t */
        for (var k = 0; k < 4; k++)
          t[k] = expandedKey[(currentSize - 4) + k];

        /* every 16,24,32 bytes we apply the core schedule to t
         * and increment rconIteration afterwards
         */
        if(currentSize % size == 0)
          t = this.core(t, rconIteration++);

        /* For 256-bit keys, we add an extra sbox to the calculation */
        if(size == this.keySize.SIZE_256 && ((currentSize % size) == 16))
          for(var l = 0; l < 4; l++)
            t[l] = this.sbox[t[l]];

        /* We XOR t with the four-byte block 16,24,32 bytes before the new expanded key.
         * This becomes the next four bytes in the expanded key.
         */
        for(var m = 0; m < 4; m++) {
          expandedKey[currentSize] = expandedKey[currentSize - size] ^ t[m];
          currentSize++;
        }
      }
      return expandedKey;
    },

    // Adds (XORs) the round key to the state
    addRoundKey:function(state,roundKey)
    {
      for (var i = 0; i < 16; i++)
        state[i] ^= roundKey[i];
      return state;
    },

    // Creates a round key from the given expanded key and the
    // position within the expanded key.
    createRoundKey:function(expandedKey,roundKeyPointer)
    {
      var roundKey = [];
      for (var i = 0; i < 4; i++)
        for (var j = 0; j < 4; j++)
          roundKey[j*4+i] = expandedKey[roundKeyPointer + i*4 + j];
      return roundKey;
    },

    /* substitute all the values from the state with the value in the SBox
     * using the state value as index for the SBox
     */
    subBytes:function(state,isInv)
    {
      for (var i = 0; i < 16; i++)
        state[i] = isInv?this.rsbox[state[i]]:this.sbox[state[i]];
      return state;
    },

    /* iterate over the 4 rows and call shiftRow() with that row */
    shiftRows:function(state,isInv)
    {
      for (var i = 0; i < 4; i++)
        state = this.shiftRow(state,i*4, i,isInv);
      return state;
    },

    /* each iteration shifts the row to the left by 1 */
    shiftRow:function(state,statePointer,nbr,isInv)
    {
      for (var i = 0; i < nbr; i++)
      {
        if(isInv)
        {
          var tmp = state[statePointer + 3];
          for (var j = 3; j > 0; j--)
            state[statePointer + j] = state[statePointer + j-1];
          state[statePointer] = tmp;
        }
        else
        {
          var tmp = state[statePointer];
          for (var j = 0; j < 3; j++)
            state[statePointer + j] = state[statePointer + j+1];
          state[statePointer + 3] = tmp;
        }
      }
      return state;
    },

    // galois multiplication of 8 bit characters a and b
    galois_multiplication:function(a,b)
    {
      var p = 0;
      for(var counter = 0; counter < 8; counter++)
      {
        if((b & 1) == 1)
          p ^= a;
        if(p > 0x100) p ^= 0x100;
        var hi_bit_set = (a & 0x80); //keep p 8 bit
        a <<= 1;
        if(a > 0x100) a ^= 0x100; //keep a 8 bit
        if(hi_bit_set == 0x80)
          a ^= 0x1b;
        if(a > 0x100) a ^= 0x100; //keep a 8 bit
        b >>= 1;
        if(b > 0x100) b ^= 0x100; //keep b 8 bit
      }
      return p;
    },

    // galois multipication of the 4x4 matrix
    mixColumns:function(state,isInv)
    {
      var column = [];
      /* iterate over the 4 columns */
      for (var i = 0; i < 4; i++)
      {
        /* construct one column by iterating over the 4 rows */
        for (var j = 0; j < 4; j++)
          column[j] = state[(j*4)+i];
        /* apply the mixColumn on one column */
        column = this.mixColumn(column,isInv);
        /* put the values back into the state */
        for (var k = 0; k < 4; k++)
          state[(k*4)+i] = column[k];
      }
      return state;
    },

    // galois multipication of 1 column of the 4x4 matrix
    mixColumn:function(column,isInv)
    {
      var mult = [];
      if(isInv)
        mult = [14,9,13,11];
      else
        mult = [2,1,1,3];
      var cpy = [];
      for(var i = 0; i < 4; i++)
        cpy[i] = column[i];

      column[0] = 	this.galois_multiplication(cpy[0],mult[0]) ^
        this.galois_multiplication(cpy[3],mult[1]) ^
        this.galois_multiplication(cpy[2],mult[2]) ^
        this.galois_multiplication(cpy[1],mult[3]);
      column[1] = 	this.galois_multiplication(cpy[1],mult[0]) ^
        this.galois_multiplication(cpy[0],mult[1]) ^
        this.galois_multiplication(cpy[3],mult[2]) ^
        this.galois_multiplication(cpy[2],mult[3]);
      column[2] = 	this.galois_multiplication(cpy[2],mult[0]) ^
        this.galois_multiplication(cpy[1],mult[1]) ^
        this.galois_multiplication(cpy[0],mult[2]) ^
        this.galois_multiplication(cpy[3],mult[3]);
      column[3] = 	this.galois_multiplication(cpy[3],mult[0]) ^
        this.galois_multiplication(cpy[2],mult[1]) ^
        this.galois_multiplication(cpy[1],mult[2]) ^
        this.galois_multiplication(cpy[0],mult[3]);
      return column;
    },

    // applies the 4 operations of the forward round in sequence
    round:function(state, roundKey)
    {
      state = this.subBytes(state,false);
      state = this.shiftRows(state,false);
      state = this.mixColumns(state,false);
      state = this.addRoundKey(state, roundKey);
      return state;
    },

    // applies the 4 operations of the inverse round in sequence
    invRound:function(state,roundKey)
    {
      state = this.shiftRows(state,true);
      state = this.subBytes(state,true);
      state = this.addRoundKey(state, roundKey);
      state = this.mixColumns(state,true);
      return state;
    },

    /*
     * Perform the initial operations, the standard round, and the final operations
     * of the forward aes, creating a round key for each round
     */
    main:function(state,expandedKey,nbrRounds)
    {
      state = this.addRoundKey(state, this.createRoundKey(expandedKey,0));
      for (var i = 1; i < nbrRounds; i++)
        state = this.round(state, this.createRoundKey(expandedKey,16*i));
      state = this.subBytes(state,false);
      state = this.shiftRows(state,false);
      state = this.addRoundKey(state, this.createRoundKey(expandedKey,16*nbrRounds));
      return state;
    },

    /*
     * Perform the initial operations, the standard round, and the final operations
     * of the inverse aes, creating a round key for each round
     */
    invMain:function(state, expandedKey, nbrRounds)
    {
      state = this.addRoundKey(state, this.createRoundKey(expandedKey,16*nbrRounds));
      for (var i = nbrRounds-1; i > 0; i--)
        state = this.invRound(state, this.createRoundKey(expandedKey,16*i));
      state = this.shiftRows(state,true);
      state = this.subBytes(state,true);
      state = this.addRoundKey(state, this.createRoundKey(expandedKey,0));
      return state;
    },

    numberOfRounds:function(size)
    {
      var nbrRounds;
      switch (size) /* set the number of rounds */
      {
        case this.keySize.SIZE_128:
          nbrRounds = 10;
          break;
        case this.keySize.SIZE_192:
          nbrRounds = 12;
          break;
        case this.keySize.SIZE_256:
          nbrRounds = 14;
          break;
        default:
          return null;
          break;
      }
      return nbrRounds;
    },

    // encrypts a 128 bit input block against the given key of size specified
    encrypt:function(input,key,size)
    {
      var output = [];
      var block = []; /* the 128 bit block to encode */
      var nbrRounds = this.numberOfRounds(size);
      /* Set the block values, for the block:
       * a0,0 a0,1 a0,2 a0,3
       * a1,0 a1,1 a1,2 a1,3
       * a2,0 a2,1 a2,2 a2,3
       * a3,0 a3,1 a3,2 a3,3
       * the mapping order is a0,0 a1,0 a2,0 a3,0 a0,1 a1,1 ... a2,3 a3,3
       */
      for (var i = 0; i < 4; i++) /* iterate over the columns */
        for (var j = 0; j < 4; j++) /* iterate over the rows */
          block[(i+(j*4))] = input[(i*4)+j];

      /* expand the key into an 176, 208, 240 bytes key */
      var expandedKey = this.expandKey(key, size); /* the expanded key */
      /* encrypt the block using the expandedKey */
      block = this.main(block, expandedKey, nbrRounds);
      for (var k = 0; k < 4; k++) /* unmap the block again into the output */
        for (var l = 0; l < 4; l++) /* iterate over the rows */
          output[(k*4)+l] = block[(k+(l*4))];
      return output;
    },

    // decrypts a 128 bit input block against the given key of size specified
    decrypt:function(input, key, size)
    {
      var output = [];
      var block = []; /* the 128 bit block to decode */
      var nbrRounds = this.numberOfRounds(size);
      /* Set the block values, for the block:
       * a0,0 a0,1 a0,2 a0,3
       * a1,0 a1,1 a1,2 a1,3
       * a2,0 a2,1 a2,2 a2,3
       * a3,0 a3,1 a3,2 a3,3
       * the mapping order is a0,0 a1,0 a2,0 a3,0 a0,1 a1,1 ... a2,3 a3,3
       */
      for (var i = 0; i < 4; i++) /* iterate over the columns */
        for (var j = 0; j < 4; j++) /* iterate over the rows */
          block[(i+(j*4))] = input[(i*4)+j];
      /* expand the key into an 176, 208, 240 bytes key */
      var expandedKey = this.expandKey(key, size);
      /* decrypt the block using the expandedKey */
      block = this.invMain(block, expandedKey, nbrRounds);
      for (var k = 0; k < 4; k++)/* unmap the block again into the output */
        for (var l = 0; l < 4; l++)/* iterate over the rows */
          output[(k*4)+l] = block[(k+(l*4))];
      return output;
    }
  },
  /*
   * END AES SECTION
   */

  /*
   * START MODE OF OPERATION SECTION
   */
  //structure of supported modes of operation
  modeOfOperation:{
    OFB:0,
    CFB:1,
    CBC:2
  },

  // get a 16 byte block (aes operates on 128bits)
  getBlock: function(bytesIn,start,end,mode)
  {
    if(end - start > 16)
      end = start + 16;

    return bytesIn.slice(start, end);
  },

  /*
   * Mode of Operation Encryption
   * bytesIn - Input String as array of bytes
   * mode - mode of type modeOfOperation
   * key - a number array of length 'size'
   * size - the bit length of the key
   * iv - the 128 bit number array Initialization Vector
   */
  encrypt: function (bytesIn, mode, key, iv)
  {
    var size = key.length;
    if(iv.length%16)
    {
      throw 'iv length must be 128 bits.';
    }
    // the AES input/output
    var byteArray = [];
    var input = [];
    var output = [];
    var ciphertext = [];
    var cipherOut = [];
    // char firstRound
    var firstRound = true;
    if (mode == this.modeOfOperation.CBC)
      this.padBytesIn(bytesIn);
    if (bytesIn !== null)
    {
      for (var j = 0;j < Math.ceil(bytesIn.length/16); j++)
      {
        var start = j*16;
        var end = j*16+16;
        if(j*16+16 > bytesIn.length)
          end = bytesIn.length;
        byteArray = this.getBlock(bytesIn,start,end,mode);
        if (mode == this.modeOfOperation.CFB)
        {
          if (firstRound)
          {
            output = this.aes.encrypt(iv, key, size);
            firstRound = false;
          }
          else
            output = this.aes.encrypt(input, key, size);
          for (var i = 0; i < 16; i++)
            ciphertext[i] = byteArray[i] ^ output[i];
          for(var k = 0;k < end-start;k++)
            cipherOut.push(ciphertext[k]);
          input = ciphertext;
        }
        else if (mode == this.modeOfOperation.OFB)
        {
          if (firstRound)
          {
            output = this.aes.encrypt(iv, key, size);
            firstRound = false;
          }
          else
            output = this.aes.encrypt(input, key, size);
          for (var i = 0; i < 16; i++)
            ciphertext[i] = byteArray[i] ^ output[i];
          for(var k = 0;k < end-start;k++)
            cipherOut.push(ciphertext[k]);
          input = output;
        }
        else if (mode == this.modeOfOperation.CBC)
        {
          for (var i = 0; i < 16; i++)
            input[i] = byteArray[i] ^ ((firstRound) ? iv[i] : ciphertext[i]);
          firstRound = false;
          ciphertext = this.aes.encrypt(input, key, size);
          // always 16 bytes because of the padding for CBC
          for(var k = 0;k < 16;k++)
            cipherOut.push(ciphertext[k]);
        }
      }
    }
    return cipherOut;
  },

  /*
   * Mode of Operation Decryption
   * cipherIn - Encrypted String as array of bytes
   * originalsize - The unencrypted string length - required for CBC
   * mode - mode of type modeOfOperation
   * key - a number array of length 'size'
   * size - the bit length of the key
   * iv - the 128 bit number array Initialization Vector
   */
  decrypt:function(cipherIn,mode,key,iv)
  {
    var size = key.length;
    if(iv.length%16)
    {
      throw 'iv length must be 128 bits.';
    }
    // the AES input/output
    var ciphertext = [];
    var input = [];
    var output = [];
    var byteArray = [];
    var bytesOut = [];
    // char firstRound
    var firstRound = true;
    if (cipherIn !== null)
    {
      for (var j = 0;j < Math.ceil(cipherIn.length/16); j++)
      {
        var start = j*16;
        var end = j*16+16;
        if(j*16+16 > cipherIn.length)
          end = cipherIn.length;
        ciphertext = this.getBlock(cipherIn,start,end,mode);
        if (mode == this.modeOfOperation.CFB)
        {
          if (firstRound)
          {
            output = this.aes.encrypt(iv, key, size);
            firstRound = false;
          }
          else
            output = this.aes.encrypt(input, key, size);
          for (i = 0; i < 16; i++)
            byteArray[i] = output[i] ^ ciphertext[i];
          for(var k = 0;k < end-start;k++)
            bytesOut.push(byteArray[k]);
          input = ciphertext;
        }
        else if (mode == this.modeOfOperation.OFB)
        {
          if (firstRound)
          {
            output = this.aes.encrypt(iv, key, size);
            firstRound = false;
          }
          else
            output = this.aes.encrypt(input, key, size);
          for (i = 0; i < 16; i++)
            byteArray[i] = output[i] ^ ciphertext[i];
          for(var k = 0;k < end-start;k++)
            bytesOut.push(byteArray[k]);
          input = output;
        }
        else if(mode == this.modeOfOperation.CBC)
        {
          output = this.aes.decrypt(ciphertext, key, size);
          for (i = 0; i < 16; i++)
            byteArray[i] = ((firstRound) ? iv[i] : input[i]) ^ output[i];
          firstRound = false;
          for(var k = 0;k < end-start;k++)
            bytesOut.push(byteArray[k]);
          input = ciphertext;
        }
      }
      if(mode == this.modeOfOperation.CBC)
        this.unpadBytesOut(bytesOut);
    }
    return bytesOut;
  },
  padBytesIn: function(data) {
    var len = data.length;
    var padByte = 16 - (len % 16);
    for (var i = 0; i < padByte; i++) {
      data.push(padByte);
    }
  },
  unpadBytesOut: function(data) {
    var padCount = 0;
    var padByte = -1;
    var blockSize = 16;
    if (data.length > 16) {
      for (var i = data.length - 1; i >= data.length-1 - blockSize; i--) {
        if (data[i] <= blockSize) {
          if (padByte == -1)
            padByte = data[i];
          if (data[i] != padByte) {
            padCount = 0;
            break;
          }
          padCount++;
        } else
          break;
        if (padCount == padByte)
          break;
      }
      if (padCount > 0)
        data.splice(data.length - padCount, padCount);
    }
  }
  /*
   * END MODE OF OPERATION SECTION
   */
};
